浙江省2010年7月自学考试人体解剖生理学试题A卷_第2页

6.产生老视眼的原因是(      )

Ａ.角膜表面经纬线曲率半径不一致                 B.晶状体弹性下降

C.眼球前后径过长                                           D.眼球前后径过短

7.成对的脑颅骨是(      )

A.顶骨                                                            B.枕骨   

C.额骨                                                            D.筛骨

8.食管的第二狭窄距中切牙(      )

A.10cm                                                           B.15cm  

C.25cm                                                           D.40cm

9.心的正常起搏点是(      )

A.房室结                                                         B.房室束      

C.窦房结                                                         D.左、右束支

10.位于脊髓后索内的纤维束是(      )

A.皮质脊髓束                                                  B.三叉丘系   

C.薄束                                                            D.脊髓丘脑束